Just look at the canines on the first human, Ardipithecus ramidus, or Australopithecus anamensis versus modern humans. In fact, our canines today are the shortest they've ever been, and the ...

Natural history is a difficult thing to conceptualize. You’ve got eons of undocumented progress, like the evolution of many species. Take, for example, the Australopithecus, an ancient great ape ...

Exhibiting some chimp-like characteristics, A. anamensis' jaws are more primitive than those of later hominids. And yet, its humerus (an arm bone) is quite human-like. Characteristics of its tibia ...